Table 2-4. Electrical Troubleshooting (Con't)
M A L F U N C T I ON
TEST OR INSPECTION
Do not leave key in "RUN position for more than 2 minutes. Failure to
follow this caution may resuit in damage to glow plugs.
Remove glow plug modu!e. (See paragraph 4-8) Turn key to RUN position. Using
jumper wire, ground dark blue lead.
If WAIT light turns on, turn key to OFF position, reinstall glow plug module,
and perform step 3.
If WAll- light does not turn on, replace bulb. If WAIT light still does not turn
cm, trace circuit. (See wiring diagram F-7 or F-8)
Turn key to RUN position. Disconnect connector from glow plug switch on upper
left rear of cylinder head.
If WAIT light turns on, replace glow plug switch. (See paragraph 3-20)
If WAIT light does not turn on, perform Electrical Troubleshooting malfunction
WAIT LIGHT ON CONTINUOUSLY WITH KEY IN RUN POSITION
Remove glow plug module
If WAIT light stays on, trace circuit through dark blue lead to WAIT light.
(See wiring diagram F-7 or F-8)
If WAIT light goes out, perform Electrical Troubleshooting malfunction #15.
"WAIT LIGHT OPERATES UPON RESTARTING (ENGINE HOT)
Check connections at glow plug switch on upper left rear of cylinder head and glow
If connections are not good, clean and secure all connectors.
If connections are good, perform Electrical Troubleshooting malfunction #15.
19. ENGINE CRANKS BUT WILL NOT START; ENGINE COLD; WAIT LIGHT OPERATES
Ensure that key is in OFF position. Check for voltage between glow plug relay
terminal where orange lead connects and ground.
If there IS voltage, replace glow plug relay (see paragraph 4-8) and perform
If there is no voltage, perform step 3.